KR100714855B1 - 분사 시스템 - Google Patents
분사 시스템 Download PDFInfo
- Publication number
- KR100714855B1 KR100714855B1 KR1020017011654A KR20017011654A KR100714855B1 KR 100714855 B1 KR100714855 B1 KR 100714855B1 KR 1020017011654 A KR1020017011654 A KR 1020017011654A KR 20017011654 A KR20017011654 A KR 20017011654A KR 100714855 B1 KR100714855 B1 KR 100714855B1
- Authority
- KR
- South Korea
- Prior art keywords
- injection
- fuel
- nozzle
- fuel pump
- injection system
- Prior art date
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
- F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/022—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type having an accumulator storing pressurised fuel during pumping stroke of the piston for subsequent delivery to the injector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
- F02M2547/003—Valve inserts containing control chamber and valve piston
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (5)
- 내연기관용 분사 시스템으로서, 상기 내연기관은 상기 분사시스템이 공급될 복수의 실린더를 구비하고, 상기 분사 시스템은 전자 제어장치(32)와, 상기 각각의 실린더에 대해,- 연료 펌프(10)와,- 노즐 니들(nozzle needle)(34)과 상기 노즐 니들(34)의 개방을 제어할 수 있는 전자 제어식 밸브(48, 50; 50, 52)이 장착된 분사 노즐(12)과,- 상기 연료 펌프(10)와 상기 분사 노즐(12) 사이를 연결하는 연결관(14)을 포함하고,상기 각각의 연료 펌프(10)와 상기 각각의 전자 제어식 밸브(48, 50; 50, 52) 모두는 상기 전자 제어장치(32)에 연결되고 제어되는, 분사 시스템에 있어서,상기 각각의 분사 노즐(12)에는, 연결관(14)과 상기 노즐 니들(34) 모두에 유체 연결되고 유체가 상기 전자 제어식 밸브(48, 50; 50,52)에 의해 축적될 수 있는 저장실(13)이 장착되어, 그때 작용하는 압력은 상기 노즐 니들(34)을 그 차단 위치에 유지하는 것을 특징으로 하는, 분사 시스템.
- 제 1 항에 있어서, 상기 연료 펌프(10)에는 전자 제어식 스풀 밸브(28)가 장착되는 것을 특징으로 하는, 분사 시스템.
- 제 1 항 또는 제 2 항에 있어서, 상기 연료 펌프(10)에는 고압실(21)이 장착되는 것을 특징으로 하는, 분사 시스템.
- 삭제
- 제 1 항 또는 제 2 항에 있어서, 상기 분사 노즐의 전자 제어식 밸브는 슬라이더 밸브(52)가 장착된 3포트 2위치 밸브(3/2 way valve)인 것을 특징으로 하는, 분사 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10002109A DE10002109A1 (de) | 2000-01-19 | 2000-01-19 | Einspritzsystem |
DE10002109.3 | 2000-01-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010113745A KR20010113745A (ko) | 2001-12-28 |
KR100714855B1 true KR100714855B1 (ko) | 2007-05-08 |
Family
ID=7628002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020017011654A KR100714855B1 (ko) | 2000-01-19 | 2001-01-13 | 분사 시스템 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6626149B2 (ko) |
EP (1) | EP1185785B1 (ko) |
JP (1) | JP4571771B2 (ko) |
KR (1) | KR100714855B1 (ko) |
BR (1) | BR0104086B1 (ko) |
DE (2) | DE10002109A1 (ko) |
RU (1) | RU2273764C2 (ko) |
WO (1) | WO2001053691A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10143423A1 (de) * | 2001-09-05 | 2003-05-08 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem mit hydraulisch von der Zuleitung entkoppeltem Injektor |
FR2836701B1 (fr) * | 2002-03-01 | 2006-12-22 | Renault | Dispositif de montage d'un tuyau d'injection de carburant |
EP1826397A3 (en) * | 2002-05-03 | 2009-08-05 | Delphi Technologies, Inc. | Fuel injection system |
EP1498600A1 (en) * | 2003-07-18 | 2005-01-19 | Delphi Technologies, Inc. | Common rail fuel system |
DE102004032181A1 (de) * | 2004-07-02 | 2006-01-19 | Robert Bosch Gmbh | Kraftstoffeinspritzventil |
ITMI20080246A1 (it) * | 2008-02-15 | 2009-08-16 | Bosch Gmbh Robert | Pompa di alta pressione e impianto di alimentazione di combustibile comprendente tale pompa di alta pressione |
DE102008002527A1 (de) * | 2008-06-19 | 2009-12-24 | Robert Bosch Gmbh | Kraftstoff-Injektor |
US9506417B2 (en) * | 2014-04-17 | 2016-11-29 | Ford Global Technologies, Llc | Methods for detecting high pressure pump bore wear |
GB2618549A (en) * | 2022-05-09 | 2023-11-15 | Clean Air Power Gt Ltd | Modular fuel injector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1077923A (ja) * | 1996-07-25 | 1998-03-24 | Cummins Engine Co Inc | 燃料噴射システム、ユニット燃料インジェクタ、配線接続ハーネス、燃料送出デバイス、及び燃料送出デバイスの取り付け方法 |
GB2325024A (en) * | 1996-07-25 | 1998-11-11 | Cummins Engine Co Inc | Fuel injection system and fuel injector for i.c. engines |
EP0939857A1 (de) * | 1997-09-25 | 1999-09-08 | Robert Bosch Gmbh | Kraftstoffeinspritzventil |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2289313B (en) * | 1994-05-13 | 1998-09-30 | Caterpillar Inc | Fluid injector system |
US5687693A (en) * | 1994-07-29 | 1997-11-18 | Caterpillar Inc. | Hydraulically-actuated fuel injector with direct control needle valve |
US5463996A (en) * | 1994-07-29 | 1995-11-07 | Caterpillar Inc. | Hydraulically-actuated fluid injector having pre-injection pressurizable fluid storage chamber and direct-operated check |
US5535723A (en) * | 1994-07-29 | 1996-07-16 | Caterpillar Inc. | Electonically-controlled fluid injector having pre-injection pressurizable fluid storage chamber and outwardly-opening direct-operated check |
DE4445586A1 (de) | 1994-12-20 | 1996-06-27 | Bosch Gmbh Robert | Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung |
JPH0932682A (ja) | 1995-07-14 | 1997-02-04 | Isuzu Motors Ltd | 内燃機関の燃料噴射装置 |
US5749717A (en) * | 1995-09-12 | 1998-05-12 | Deisel Technology Company | Electromagnetic fuel pump for a common rail fuel injection system |
DE19535368C2 (de) * | 1995-09-25 | 1998-04-30 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
US5992359A (en) * | 1996-06-13 | 1999-11-30 | Rose; Nigel Eric | Fluid actuated engines and engine mechanisms |
US5819704A (en) * | 1996-07-25 | 1998-10-13 | Cummins Engine Company, Inc. | Needle controlled fuel system with cyclic pressure generation |
DE19701879A1 (de) | 1997-01-21 | 1998-07-23 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
GB9810327D0 (en) | 1998-05-15 | 1998-07-15 | Lucas Ind Plc | Fuel system and pump suitable for use therein |
-
2000
- 2000-01-19 DE DE10002109A patent/DE10002109A1/de not_active Ceased
-
2001
- 2001-01-13 KR KR1020017011654A patent/KR100714855B1/ko active IP Right Grant
- 2001-01-13 RU RU2001126923/06A patent/RU2273764C2/ru active
- 2001-01-13 EP EP01909459A patent/EP1185785B1/de not_active Expired - Lifetime
- 2001-01-13 WO PCT/DE2001/000119 patent/WO2001053691A1/de active IP Right Grant
- 2001-01-13 DE DE50103958T patent/DE50103958D1/de not_active Expired - Lifetime
- 2001-01-13 US US09/936,897 patent/US6626149B2/en not_active Expired - Lifetime
- 2001-01-13 JP JP2001553528A patent/JP4571771B2/ja not_active Expired - Lifetime
- 2001-01-13 BR BRPI0104086-3A patent/BR0104086B1/pt not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1077923A (ja) * | 1996-07-25 | 1998-03-24 | Cummins Engine Co Inc | 燃料噴射システム、ユニット燃料インジェクタ、配線接続ハーネス、燃料送出デバイス、及び燃料送出デバイスの取り付け方法 |
GB2325024A (en) * | 1996-07-25 | 1998-11-11 | Cummins Engine Co Inc | Fuel injection system and fuel injector for i.c. engines |
EP0939857A1 (de) * | 1997-09-25 | 1999-09-08 | Robert Bosch Gmbh | Kraftstoffeinspritzventil |
Also Published As
Publication number | Publication date |
---|---|
EP1185785B1 (de) | 2004-10-06 |
WO2001053691A1 (de) | 2001-07-26 |
DE10002109A1 (de) | 2001-08-02 |
US20020134358A1 (en) | 2002-09-26 |
RU2273764C2 (ru) | 2006-04-10 |
JP4571771B2 (ja) | 2010-10-27 |
DE50103958D1 (de) | 2004-11-11 |
US6626149B2 (en) | 2003-09-30 |
KR20010113745A (ko) | 2001-12-28 |
EP1185785A1 (de) | 2002-03-13 |
BR0104086B1 (pt) | 2009-05-05 |
JP2003520327A (ja) | 2003-07-02 |
BR0104086A (pt) | 2001-12-26 |
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